1 /*
2  * This is D3DES (V5.09) by Richard Outerbridge with the double and
3  * triple-length support removed for use in VNC.
4  *
5  * These changes are Copyright (C) 1998 Olivetti & Oracle Research Laboratory
6  *
7  * This software is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10  */
11 
12 /* d3des.h -
13  *
14  *	Headers and defines for d3des.c
15  *	Graven Imagery, 1992.
16  *
17  * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
18  *	(GEnie : OUTER; CIS : [71755,204])
19  */
20 
21 #define EN0	0	/* MODE == encrypt */
22 #define DE1	1	/* MODE == decrypt */
23 
24 extern void deskey(unsigned char *, short);
25 /*		      hexkey[8]     MODE
26  * Sets the internal key register according to the hexadecimal
27  * key contained in the 8 bytes of hexkey, according to the DES,
28  * for encryption or decryption according to MODE.
29  */
30 
31 extern void usekey(unsigned long *);
32 /*		    cookedkey[32]
33  * Loads the internal key register with the data in cookedkey.
34  */
35 
36 extern void cpkey(unsigned long *);
37 /*		   cookedkey[32]
38  * Copies the contents of the internal key register into the storage
39  * located at &cookedkey[0].
40  */
41 
42 extern void des(unsigned char *, unsigned char *);
43 /*		    from[8]	      to[8]
44  * Encrypts/Decrypts (according to the key currently loaded in the
45  * internal key register) one block of eight bytes at address 'from'
46  * into the block at address 'to'.  They can be the same.
47  */
48 
49 /* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
50  ********************************************************************/
51